/*
 * Copyright 2002-2004 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 

package com.generalynx.ecos.utils.advice;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.aop.MethodBeforeAdvice;
import org.springframework.aop.AfterReturningAdvice;

import java.lang.reflect.Method;

public class DebugAdvice implements MethodBeforeAdvice, AfterReturningAdvice {

    protected final Log logger = LogFactory.getLog(getClass());

    private long m_time;

    public void before(Method m, Object[] args, Object target) throws Throwable {
        m_time = System.currentTimeMillis();
        logger.debug("Executing method " + m.getName() + " on " + target.getClass().getName());
    }

    public void afterReturning(Object returnValue, Method m, Object[] args, Object target)
            throws Throwable {
        logger.debug("Invocation time: " + ((System.currentTimeMillis() - m_time) / 1000) + "s");
    }
}
